// Created on: 1995-03-23
// Created by: Jing Cheng MEI
// Copyright (c) 1995-1999 Matra Datavision
// Copyright (c) 1999-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.

#ifndef _BRepBuilderAPI_Sewing_HeaderFile
#define _BRepBuilderAPI_Sewing_HeaderFile

#include <Standard.hxx>
#include <Standard_Type.hxx>

#include <Standard_Real.hxx>
#include <Standard_Boolean.hxx>
#include <TopTools_IndexedDataMapOfShapeShape.hxx>
#include <TopoDS_Shape.hxx>
#include <TopTools_IndexedMapOfShape.hxx>
#include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
#include <TopTools_DataMapOfShapeShape.hxx>
#include <Standard_Integer.hxx>
#include <TopTools_DataMapOfShapeListOfShape.hxx>
#include <TopTools_MapOfShape.hxx>
#include <Standard_Transient.hxx>
#include <TopTools_ListOfShape.hxx>
#include <TopTools_SequenceOfShape.hxx>
#include <TColStd_IndexedMapOfInteger.hxx>
#include <TColStd_SequenceOfBoolean.hxx>
#include <TColStd_SequenceOfInteger.hxx>
#include <TColStd_Array1OfBoolean.hxx>
#include <TColStd_Array1OfReal.hxx>
#include <TColgp_Array1OfPnt.hxx>
#include <TColStd_SequenceOfReal.hxx>

#include <Message_ProgressIndicator.hxx>

class BRepTools_ReShape;
class Standard_OutOfRange;
class Standard_NoSuchObject;
class TopoDS_Shape;
class Message_ProgressIndicator;
class TopoDS_Edge;
class TopoDS_Face;
class Geom_Surface;
class TopLoc_Location;
class Geom2d_Curve;
class Geom_Curve;


class BRepBuilderAPI_Sewing;
DEFINE_STANDARD_HANDLE(BRepBuilderAPI_Sewing, Standard_Transient)

//! Provides methods to
//!
//! - identify possible contigous boundaries (for control
//! afterwards (of continuity: C0, C1, ...))
//!
//! - assemble contigous shapes into one shape.
//! Only manifold shapes will be found. Sewing will not
//! be done in case of multiple edges.
//!
//! For sewing, use this function as following:
//! - create an empty object
//! - default tolerance 1.E-06
//! - with face analysis on
//! - with sewing operation on
//! - set the cutting option as you need (default True)
//! - define a tolerance
//! - add shapes to be sewed -> Add
//! - compute -> Perfom
//! - output the resulted shapes
//! - output free edges if necessary
//! - output multiple edges if necessary
//! - output the problems if any
class BRepBuilderAPI_Sewing : public Standard_Transient
{

public:

  
  //! Creates an object with
  //! tolerance of connexity
  //! option for sewing (if false only control)
  //! option for analysis of degenerated shapes
  //! option for cutting of free edges.
  //! option for non manifold processing
  Standard_EXPORT BRepBuilderAPI_Sewing(const Standard_Real tolerance = 1.0e-06, const Standard_Boolean option1 = Standard_True, const Standard_Boolean option2 = Standard_True, const Standard_Boolean option3 = Standard_True, const Standard_Boolean option4 = Standard_False);
  
  //! initialize the parameters if necessary
  Standard_EXPORT void Init (const Standard_Real tolerance = 1.0e-06, const Standard_Boolean option1 = Standard_True, const Standard_Boolean option2 = Standard_True, const Standard_Boolean option3 = Standard_True, const Standard_Boolean option4 = Standard_False);
  
  //! Loades the context shape.
  Standard_EXPORT void Load (const TopoDS_Shape& shape);
  
  //! Defines the shapes to be sewed or controlled
  Standard_EXPORT void Add (const TopoDS_Shape& shape);
  
  //! Computing
  //! thePI - progress indicator of algorithm
  Standard_EXPORT void Perform (const Handle(Message_ProgressIndicator)& thePI = 0);
  
  //! Gives the sewed shape
  //! a null shape if nothing constructed
  //! may be a face, a shell, a solid or a compound
  Standard_EXPORT const TopoDS_Shape& SewedShape() const;
  
  //! set context
  Standard_EXPORT void SetContext (const Handle(BRepTools_ReShape)& theContext);
  
  //! return context
  Standard_EXPORT const Handle(BRepTools_ReShape)& GetContext() const;
  
  //! Gives the number of free edges (edge shared by one face)
  Standard_EXPORT Standard_Integer NbFreeEdges() const;
  
  //! Gives each free edge
  Standard_EXPORT const TopoDS_Edge& FreeEdge (const Standard_Integer index) const;
  
  //! Gives the number of multiple edges
  //! (edge shared by more than two faces)
  Standard_EXPORT Standard_Integer NbMultipleEdges() const;
  
  //! Gives each multiple edge
  Standard_EXPORT const TopoDS_Edge& MultipleEdge (const Standard_Integer index) const;
  
  //! Gives the number of contigous edges (edge shared by two faces)
  Standard_EXPORT Standard_Integer NbContigousEdges() const;
  
  //! Gives each contigous edge
  Standard_EXPORT const TopoDS_Edge& ContigousEdge (const Standard_Integer index) const;
  
  //! Gives the sections (edge) belonging to a contigous edge
  Standard_EXPORT const TopTools_ListOfShape& ContigousEdgeCouple (const Standard_Integer index) const;
  
  //! Indicates if a section is bound (before use SectionToBoundary)
  Standard_EXPORT Standard_Boolean IsSectionBound (const TopoDS_Edge& section) const;
  
  //! Gives the original edge (free boundary) which becomes the
  //! the section. Remember that sections constitute  common edges.
  //! This imformation is important for control because with
  //! original edge we can find the surface to which the section
  //! is attached.
  Standard_EXPORT const TopoDS_Edge& SectionToBoundary (const TopoDS_Edge& section) const;
  
  //! Gives the number of degenerated shapes
  Standard_EXPORT Standard_Integer NbDegeneratedShapes() const;
  
  //! Gives each degenerated shape
  Standard_EXPORT const TopoDS_Shape& DegeneratedShape (const Standard_Integer index) const;
  
  //! Indicates if a input shape is degenerated
  Standard_EXPORT Standard_Boolean IsDegenerated (const TopoDS_Shape& shape) const;
  
  //! Indicates if a input shape has been modified
  Standard_EXPORT Standard_Boolean IsModified (const TopoDS_Shape& shape) const;
  
  //! Gives a modifieded shape
  Standard_EXPORT const TopoDS_Shape& Modified (const TopoDS_Shape& shape) const;
  
  //! Indicates if a input subshape has been modified
  Standard_EXPORT Standard_Boolean IsModifiedSubShape (const TopoDS_Shape& shape) const;
  
  //! Gives a modifieded subshape
  Standard_EXPORT TopoDS_Shape ModifiedSubShape (const TopoDS_Shape& shape) const;
  
  //! print the informations
  Standard_EXPORT void Dump() const;
  
  //! Gives the number of deleted faces (faces smallest than tolerance)
  Standard_EXPORT Standard_Integer NbDeletedFaces() const;
  
  //! Gives each deleted face
  Standard_EXPORT const TopoDS_Face& DeletedFace (const Standard_Integer index) const;
  
  //! Gives a modified shape
  Standard_EXPORT TopoDS_Face WhichFace (const TopoDS_Edge& theEdg, const Standard_Integer index = 1) const;
  
  //! Gets same parameter mode.
    Standard_Boolean SameParameterMode() const;
  
  //! Sets same parameter mode.
    void SetSameParameterMode (const Standard_Boolean SameParameterMode);
  
  //! Gives set tolerance.
    Standard_Real Tolerance() const;
  
  //! Sets tolerance
    void SetTolerance (const Standard_Real theToler);
  
  //! Gives set min tolerance.
    Standard_Real MinTolerance() const;
  
  //! Sets min tolerance
    void SetMinTolerance (const Standard_Real theMinToler);
  
  //! Gives set max tolerance
    Standard_Real MaxTolerance() const;
  
  //! Sets max tolerance.
    void SetMaxTolerance (const Standard_Real theMaxToler);
  
  //! Returns mode for sewing faces By default - true.
    Standard_Boolean FaceMode() const;
  
  //! Sets mode for sewing faces By default - true.
    void SetFaceMode (const Standard_Boolean theFaceMode);
  
  //! Returns mode for sewing floating edges By default - false.
    Standard_Boolean FloatingEdgesMode() const;
  
  //! Sets mode for sewing floating edges By default - false.
  //! Returns mode for cutting floating edges By default - false.
  //! Sets mode for cutting floating edges By default - false.
    void SetFloatingEdgesMode (const Standard_Boolean theFloatingEdgesMode);
  
  //! Returns mode for accounting of local tolerances
  //! of edges and vertices during of merging.
    Standard_Boolean LocalTolerancesMode() const;
  
  //! Sets mode for accounting of local tolerances
  //! of edges and vertices during of merging
  //! in this case WorkTolerance = myTolerance + tolEdge1+ tolEdg2;
    void SetLocalTolerancesMode (const Standard_Boolean theLocalTolerancesMode);
  
  //! Sets mode for non-manifold sewing.
    void SetNonManifoldMode (const Standard_Boolean theNonManifoldMode);
  
  //! Gets mode for non-manifold sewing.
  //!
  //! INTERNAL FUCTIONS ---
    Standard_Boolean NonManifoldMode() const;




  DEFINE_STANDARD_RTTIEXT(BRepBuilderAPI_Sewing,Standard_Transient)

protected:

  
  //! Performs cutting of sections
  //! thePI - progress indicator of processing
  Standard_EXPORT void Cutting (const Handle(Message_ProgressIndicator)& thePI = 0);
  
  Standard_EXPORT void Merging (const Standard_Boolean passage, const Handle(Message_ProgressIndicator)& thePI = 0);
  
  Standard_EXPORT Standard_Boolean IsMergedClosed (const TopoDS_Edge& Edge1, const TopoDS_Edge& Edge2, const TopoDS_Face& fase) const;
  
  Standard_EXPORT Standard_Boolean FindCandidates (TopTools_SequenceOfShape& seqSections, TColStd_IndexedMapOfInteger& mapReference, TColStd_SequenceOfInteger& seqCandidates, TColStd_SequenceOfBoolean& seqOrientations);
  
  Standard_EXPORT void AnalysisNearestEdges (const TopTools_SequenceOfShape& sequenceSec, TColStd_SequenceOfInteger& seqIndCandidate, TColStd_SequenceOfBoolean& seqOrientations, const Standard_Boolean evalDist = Standard_True);
  
  //! Merged nearest edges.
  Standard_EXPORT Standard_Boolean MergedNearestEdges (const TopoDS_Shape& edge, TopTools_SequenceOfShape& SeqMergedEdge, TColStd_SequenceOfBoolean& SeqMergedOri);
  
  Standard_EXPORT void EdgeProcessing (const Handle(Message_ProgressIndicator)& thePI = 0);

  //! Recompute regularity on merged edges
  Standard_EXPORT void EdgeRegularity (const Handle(Message_ProgressIndicator)& thePI = 0);
  
  Standard_EXPORT void CreateOutputInformations();
  
  //! Defines if surface is U closed.
  Standard_EXPORT virtual Standard_Boolean IsUClosedSurface (const Handle(Geom_Surface)& surf, const TopoDS_Shape& theEdge, const TopLoc_Location& theloc) const;
  
  //! Defines if surface is V closed.
  Standard_EXPORT virtual Standard_Boolean IsVClosedSurface (const Handle(Geom_Surface)& surf, const TopoDS_Shape& theEdge, const TopLoc_Location& theloc) const;
  

  //! This method is called from Perform only
  //! thePI - progress indicator of processing
  Standard_EXPORT virtual void FaceAnalysis (const Handle(Message_ProgressIndicator)& thePI = 0);
  

  //! This method is called from Perform only
  Standard_EXPORT virtual void FindFreeBoundaries();
  

  //! This method is called from Perform only
  //! thePI - progress indicator of processing
  Standard_EXPORT virtual void VerticesAssembling (const Handle(Message_ProgressIndicator)& thePI = 0);
  

  //! This method is called from Perform only
  Standard_EXPORT virtual void CreateSewedShape();
  
  //! Get wire from free edges.
  //! This method is called from EdgeProcessing only
  Standard_EXPORT virtual void GetFreeWires (TopTools_IndexedMapOfShape& MapFreeEdges,
                                             TopTools_SequenceOfShape& seqWires);
  

  //! This method is called from MergingOfSections only
  Standard_EXPORT virtual void EvaluateAngulars (TopTools_SequenceOfShape& sequenceSec, TColStd_Array1OfBoolean& secForward, TColStd_Array1OfReal& tabAng, const Standard_Integer indRef) const;
  

  //! This method is called from MergingOfSections only
  Standard_EXPORT virtual void EvaluateDistances (TopTools_SequenceOfShape& sequenceSec, TColStd_Array1OfBoolean& secForward, TColStd_Array1OfReal& tabAng, TColStd_Array1OfReal& arrLen, TColStd_Array1OfReal& tabMinDist, const Standard_Integer indRef) const;
  

  //! This method is called from SameParameterEdge only
  Standard_EXPORT virtual Handle(Geom2d_Curve) SameRange (const Handle(Geom2d_Curve)& CurvePtr, const Standard_Real FirstOnCurve, const Standard_Real LastOnCurve, const Standard_Real RequestedFirst, const Standard_Real RequestedLast) const;
  

  //! This method is called from SameParameterEdge only
  Standard_EXPORT virtual void SameParameter (const TopoDS_Edge& edge) const;
  

  //! This method is called from Merging only
  Standard_EXPORT virtual TopoDS_Edge SameParameterEdge (const TopoDS_Shape& edge, const TopTools_SequenceOfShape& seqEdges, const TColStd_SequenceOfBoolean& seqForward, TopTools_MapOfShape& mapMerged, const Handle(BRepTools_ReShape)& locReShape);
  

  //! This method is called from Merging only
  Standard_EXPORT virtual TopoDS_Edge SameParameterEdge (const TopoDS_Edge& edge1, const TopoDS_Edge& edge2, const TopTools_ListOfShape& listFaces1, const TopTools_ListOfShape& listFaces2, const Standard_Boolean secForward, Standard_Integer& whichSec, const Standard_Boolean firstCall = Standard_True);
  
  //! Projects points on curve
  //! This method is called from Cutting only
  Standard_EXPORT void ProjectPointsOnCurve (const TColgp_Array1OfPnt& arrPnt, const Handle(Geom_Curve)& Crv, const Standard_Real first, const Standard_Real last, TColStd_Array1OfReal& arrDist, TColStd_Array1OfReal& arrPara, TColgp_Array1OfPnt& arrProj, const Standard_Boolean isConsiderEnds) const;
  
  //! Creates cutting vertices on projections
  //! This method is called from Cutting only
  Standard_EXPORT virtual void CreateCuttingNodes (const TopTools_IndexedMapOfShape& MapVert, const TopoDS_Shape& bound, const TopoDS_Shape& vfirst, const TopoDS_Shape& vlast, const TColStd_Array1OfReal& arrDist, const TColStd_Array1OfReal& arrPara, const TColgp_Array1OfPnt& arrPnt, TopTools_SequenceOfShape& seqNode, TColStd_SequenceOfReal& seqPara);
  
  //! Performs cutting of bound
  //! This method is called from Cutting only
  Standard_EXPORT virtual void CreateSections (const TopoDS_Shape& bound, const TopTools_SequenceOfShape& seqNode, const TColStd_SequenceOfReal& seqPara, TopTools_ListOfShape& listEdge);
  
  //! Makes all edges from shape same parameter
  //! if SameParameterMode is equal to Standard_True
  //! This method is called from Perform only
  Standard_EXPORT virtual void SameParameterShape();

  Standard_Real myTolerance;
  Standard_Boolean mySewing;
  Standard_Boolean myAnalysis;
  Standard_Boolean myCutting;
  Standard_Boolean myNonmanifold;
  TopTools_IndexedDataMapOfShapeShape myOldShapes;
  TopoDS_Shape mySewedShape;
  TopTools_IndexedMapOfShape myDegenerated;
  TopTools_IndexedMapOfShape myFreeEdges;
  TopTools_IndexedMapOfShape myMultipleEdges;
  TopTools_IndexedDataMapOfShapeListOfShape myContigousEdges;
  TopTools_DataMapOfShapeShape myContigSecBound;
  Standard_Integer myNbShapes;
  Standard_Integer myNbVertices;
  Standard_Integer myNbEdges;
  TopTools_IndexedDataMapOfShapeListOfShape myBoundFaces;
  TopTools_DataMapOfShapeListOfShape myBoundSections;
  TopTools_DataMapOfShapeShape mySectionBound;
  TopTools_IndexedDataMapOfShapeShape myVertexNode;
  TopTools_IndexedDataMapOfShapeShape myVertexNodeFree;
  TopTools_DataMapOfShapeListOfShape myNodeSections;
  TopTools_DataMapOfShapeListOfShape myCuttingNode;
  TopTools_IndexedMapOfShape myLittleFace;
  TopoDS_Shape myShape;
  Handle(BRepTools_ReShape) myReShape;


private:


  Standard_Boolean myFaceMode;
  Standard_Boolean myFloatingEdgesMode;
  Standard_Boolean mySameParameterMode;
  Standard_Boolean myLocalToleranceMode;
  Standard_Real myMinTolerance;
  Standard_Real myMaxTolerance;
  TopTools_MapOfShape myMergedEdges;


};


#include <BRepBuilderAPI_Sewing.lxx>





#endif // _BRepBuilderAPI_Sewing_HeaderFile
